<1> expected but was <17> again

[ruby-dev:28922] e$B$GJs9p$7$F!“e(B
http://www.rubyist.net/~akr/chkbuild/debian-sarge/ruby-trunk/log/20060704T152730.txt.gz
e$B$G$$$C$?$s$OD>$C$F$$$?LdBj$,!”:#F|e(B
http://www.rubyist.net/~akr/chkbuild/debian-sarge/ruby-trunk/log/20060710T101311.txt.gz
e$B$+$iI|3h$7$F$$$^$9!#e(B

% ./ruby -ve ’
def call_block
yield
end

def m(&block)
3.times {
call_block(&block)
}
end

m {
p :foo
break
}

ruby 1.9.0 (2006-07-10) [i686-linux]
:foo
:foo
:foo